2002 Subaru Outback "trouble code p0420" Questions

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Question about Subaru Outback

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...trouble code in memory, but the check engine light was off. When I cleared the memory, the check engine light came on in about 60 miles/ 6 engine cycles and does not go out. The seller supposedly had ...

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Question about Subaru Outback

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Trouble Code: P0442Evaporative Emission Control System Leak Detected (small leak) Possible Causes:Check any other DTC on display. Check fuel filler cap. Check fuel filler pipe packing .Check the drain

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...https://mechanicbase.com/trouble-code/p0420 Hav cat convertr temp taken..if low u need knew. If oxygen sensor heatn element bad..then u need new too..orhrwise jysta ...

...trouble-code-cylinder-5-misfire-detected-by-jay-safford ...

...trouble code P0420 - Catalyst System Efficiency ... If they have failed, it is likely due to something else that caused it to fail. ... the catalytic converter is broken or failed, it may be ...

Question about Subaru Outback

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TROUBLE CODE P0420 CHECK ENGINE CAME AND I HAD IT CHECKED AT AUTO ZONE THE CODE INDICATED WAS P0420. VEHICLE ISN'T MISFIRING OR RUNNING BAD. P0420 isnt a misfiring code; this code P0420 is refer ...

...code for the catalytic converter. It has failed the efficiency test. See this post for the full story on P0420 trouble codes ...

Trouble Code. Technical Description. Catalyst System Efficiency Below Threshold (Bank 1). What does that mean? This diagnostic trouble code ... P0420 Code Fix How Its Done Catalyst Efficiency Below ..

trouble code P 0420 and P 0304 304 cylinder 4 is misfiring 420 catalyst system efficiency below threshold what the proper fix Needs a cat and need to check the injector and coil. Coil most common on ...

Question about Subaru Outback

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Trouble Code Here's a link to your code. Trouble Code P0420 Catalyst System Efficiency Below Threshold Bank 1 IF YOUR OIL NEEDS CHANGING, TAKE TO DEALER AND LET THEM CHANGE,THEY WILL FIND PROBLEM CODE

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